161840562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 362119296

約数和(自身を除く): 200278734

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 73, 78, 86, 129, 146, 219, 258, 438, 559, 661, 949, 1118, 1322, 1677, 1898, 1983, 2847, 3139, 3354, 3966, 5694, 6278, 8593, 9417, 17186, 18834, 25779, 28423, 40807, 48253, 51558, 56846, 81614, 85269, 96506, 122421, 144759, 170538, 244842, 289518, 369499, 627289, 738998, 1108497, 1254578, 1881867, 2074879, 2216994, 3763734, 4149758, 6224637, 12449274, 26973427, 53946854, 80920281, 161840562]

約数ペア:

[(1, 161840562), (2, 80920281), (3, 53946854), (6, 26973427), (13, 12449274), (26, 6224637), (39, 4149758), (43, 3763734), (73, 2216994), (78, 2074879), (86, 1881867), (129, 1254578), (146, 1108497), (219, 738998), (258, 627289), (438, 369499), (559, 289518), (661, 244842), (949, 170538), (1118, 144759), (1322, 122421), (1677, 96506), (1898, 85269), (1983, 81614), (2847, 56846), (3139, 51558), (3354, 48253), (3966, 40807), (5694, 28423), (6278, 25779), (8593, 18834), (9417, 17186)]